Sun Jan 02, 2011 12:19 am
The 3.3 kW charger description is probably a "nominal" value derived from 220v x 15A = 3300 watts (3.3 kW).
When the charger is fed 240v, and it still regulates itself to draw 15 amps, it uses more power: 240 x 15 = 3600 watts, just 140 watts short of what you measured.
If we assume that the charger was actually drawing 15.5 amps, then 240 x 15.5 = 3720 watts.
If your voltage was actually 242 volts, 242 x 15.5 => 3750 watts.
And, recall that the "active" AV EVSE might be using some few watts, and that the TED measurement errors (and your current-splitting) might add make your 3740 watt "reading" not exactly correct.
See SOC/GID-Meter and CAN-Do Info
2010 Prius
2011 LEAF, 2014 Tesla S85
2018 & 2019 Tesla Model 3
PU: SDG&E
Solar PV: 33 x 225W -> 7 kW max AC
Craigslist: Xm5000Li Electric Motorcycle